Beatmup::NNets::Storage::TextureHandler Class Reference

TextureHandler representation of a pack of 4 channels from a non-empty View. More...

#include <storage.h>

Inheritance diagram for Beatmup::NNets::Storage::TextureHandler:

Public Member Functions
	TextureHandler (const View &, int channel)
	~TextureHandler ()
const int	getWidth () const
	Width of the texture in pixels. More...
const int	getHeight () const
	Height of the texture in pixels. More...
const int	getDepth () const
	Depth of the texture in pixels. More...
const GL::TextureHandler::TextureFormat	getTextureFormat () const
	Returns the texture format specifying how the shader must interpret the data. More...
Public Member Functions inherited from Beatmup::GL::TextureHandler
	~TextureHandler ()
float	getAspectRatio () const
	Aspect ratio of the texture. More...
float	getInvAspectRatio () const
	Inverse of the aspect ratio of the texture. More...
const bool	isFloatingPoint () const
const int	getNumberOfChannels () const
	Returns number of channels containing in the texture. More...
bool	hasValidHandle () const
	Returns true if the texture handle points to a valid texture. More...
Public Member Functions inherited from Beatmup::Object
virtual	~Object ()

Private Member Functions
void	prepare (GraphicPipeline &gpu)
	Prepares (eventually uploads) texture data on GPU. More...

Private Attributes
const int	width
const int	height

Additional Inherited Members
Public Types inherited from Beatmup::GL::TextureHandler
enum	TextureFormat {   Rx8 , RGBx8 , RGBAx8 , Rx32f ,   RGBx32f , RGBAx32f , OES_Ext }
	Texture format, specifies how the texture should be interpreted on the shader side. More...
Static Public Member Functions inherited from Beatmup::GL::TextureHandler
static const char *	textureFormatToString (const TextureFormat &)
Static Public Attributes inherited from Beatmup::GL::TextureHandler
static const int	TEXTURE_FORMAT_BYTES_PER_PIXEL []
	size of a texel in bytes for different texture formats More...
Protected Member Functions inherited from Beatmup::GL::TextureHandler
	TextureHandler ()
void	invalidate (RecycleBin &)
	Forces disposing the texture data, e.g. More...
Protected Attributes inherited from Beatmup::GL::TextureHandler
handle_t	textureHandle

Detailed Description

TextureHandler representation of a pack of 4 channels from a non-empty View.

Does not copy any data, only stores a reference to an existing texture.

Definition at line 403 of file storage.h.

Constructor & Destructor Documentation

TextureHandler()

Storage::TextureHandler::TextureHandler	(	const View &	view,
		int	channel
	)

Definition at line 519 of file storage.cpp.

                                                                  :
    width(view.getStorage().getTextureWidth()), height(view.getStorage().getTextureHeight())
{
#ifdef BEATMUP_DEBUG
    Storage::checkChannelNumber(channel);
    OutOfRange::check(channel, 0, view.getDepth() - 1, "Channel index out of range: %d");
#endif
    const int storageChannel = view.channels[ channel/4 ].channelIdx;
    const int storageTexture = view.storage->getChannelTextureNumber(storageChannel);
    GL::TextureHandler::textureHandle = view.storage->textures[storageTexture].handle;
}

~TextureHandler()

Storage::TextureHandler::~TextureHandler

(

)

Definition at line 532 of file storage.cpp.

                                       {
    GL::TextureHandler::textureHandle = 0;
        // dropping the texture handle; the texture is not owned and is managed by the Storage
}

Member Function Documentation

prepare()

void Storage::TextureHandler::prepare ( GraphicPipeline &  gpu )

privatevirtual

Prepares (eventually uploads) texture data on GPU.

Called only by the context managing thread.

Parameters

[in]

gpu

Graphic pipeline instance

Reimplemented from Beatmup::GL::TextureHandler.

Definition at line 538 of file storage.cpp.

                                                        {
    glBindTexture(GL_TEXTURE_2D, GL::TextureHandler::textureHandle);
}

getWidth()

const int Beatmup::NNets::Storage::TextureHandler::getWidth ( ) const

inlinevirtual

Width of the texture in pixels.

Implements Beatmup::GL::TextureHandler.

Definition at line 410 of file storage.h.

{ return width; }

getHeight()

const int Beatmup::NNets::Storage::TextureHandler::getHeight ( ) const

inlinevirtual

Height of the texture in pixels.

Implements Beatmup::GL::TextureHandler.

Definition at line 411 of file storage.h.

{ return height; }

getDepth()

const int Beatmup::NNets::Storage::TextureHandler::getDepth ( ) const

inlinevirtual

Depth of the texture in pixels.

Implements Beatmup::GL::TextureHandler.

Definition at line 412 of file storage.h.

{ return 1; }

getTextureFormat()

const GL::TextureHandler::TextureFormat Beatmup::NNets::Storage::TextureHandler::getTextureFormat ( ) const

inlinevirtual

Returns the texture format specifying how the shader must interpret the data.

Implements Beatmup::GL::TextureHandler.

Definition at line 413 of file storage.h.

{ return GL::TextureHandler::TextureFormat::RGBAx8; }

Member Data Documentation

width

const int Beatmup::NNets::Storage::TextureHandler::width

private

Definition at line 405 of file storage.h.

height

const int Beatmup::NNets::Storage::TextureHandler::height

private

Definition at line 405 of file storage.h.

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The documentation for this class was generated from the following files:

• core/nnets/storage.h
• core/nnets/storage.cpp